package com.markus.code.exam.alibaba;

import java.util.Scanner;

/**
 * Author:markusZhang
 * Date:Create in 2020/9/1 19:57
 * todo:
 */
public class Main1 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while(scanner.hasNext()){
            int row = scanner.nextInt();
            int col = scanner.nextInt();
            System.out.println(0);
        }
    }
}
